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CC1352P: BLE simple peripheral connection problem

Part Number: CC1352P

Hi, 

We are working with CC1352P REV-E  Custom board. WE are using following tools

1. SDK V3.20

2. CCS9.10

3. Btool V1.41.18

We have used simple peripheral example code.

1. Using btool i am trying to communicate with peripheral  we can able to see the advertisement,but i am facing problem in establishing connection, when establishing link it is disconnecting immediately, we could not able to connect.

2. Same code we have flashed in LAUNCHPAD CC1352P REV-E . We can able to read write. with launchpad firmware is working fine.

we know that it could be hardware issue. what could be the reason for it in hardware. I am attaching RF section can you please guide for improving hardware.